Rosharon BESS
104 MW storage in Brazoria, TX · In queue since April 2024 · Proposed COD June 2028
104 MW
Capacity
1
Components
Battery
2y 1m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
4y 2m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-06-30
The Rosharon BESS project is a proposed 104 MW battery storage project located in Brazoria County, Texas. Developed by Rosharon BESS LLC, the project entered the ERCOT interconnection queue as entry 26INR0497 on April 9, 2024. The current proposed commercial operation date is June 30, 2028.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection is the 138 kV 44600 Rosharon. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Rosharon BESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
138 kV 44600 Rosharon
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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